One of the black wires will bring power to the switch, the other will energize the light fixture; this is commonly referred to as, power in and power out.

Stop walking across a dark room to turn on the light. Install a 3-way switch and control lights from two locations.

Below, Donnelly tells AD how to wire a light switch with this simple step-by-step process for a single-pole light switch without zapping yourself along the way.

A buzzing light switch is the perfect example of a seemingly easy electrical fix. There are lots of underlying conditions that can result in a buzzing sound that begins to emanate from your switch.

Installing a wireless light switch is a simple upgrade that you can accomplish in an hour or less. You can control lights from as far as 100 feet away without running any wires through the walls.

Electrical work often requires calling professionals, but if you've got a buzzing light switch, there are a few things you can do before you get to that step.